Tuner doesn't accept the sound (Tuner app doesn't work)

Question

I followed this library.

There was no error in coding. But when I played on my phone, the red bar doesn't move at all. Could you explain what's wrong?

I am really a beginner that I would appreciate it if you can explain easily.

manifests

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.GuitarTuner">

    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/tuner"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/tuner"
        android:supportsRtl="true"
        android:theme="@style/Theme.Design.NoActionBar">
        <activity android:name="com.example.GuitarTuner.GuitarTunerActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

build gradle

plugins {
    id 'com.android.application'
}

android {
    compileSdkVersion 29
    buildToolsVersion "30.0.2"

    defaultConfig {
        applicationId "com.example.Guitar1"
        minSdkVersion 24
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'com.google.android.material:material:1.2.1'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
    implementation 'org.puredata.android:pd-core:1.2.1-rc1'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
}

GuitarTunerActivity

package com.example.GuitarTuner;

import java.io.File;
import java.io.IOException;

import org.puredata.android.io.AudioParameters;
import org.puredata.android.service.PdService;
import org.puredata.android.utils.PdUiDispatcher;
import org.puredata.core.PdBase;
import org.puredata.core.PdListener;
import org.puredata.core.utils.IoUtils;

import com.example.GuitarTuner.R;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class GuitarTunerActivity extends Activity implements OnClickListener {

    private static final String TAG = "GuitarTuner";
    private PdUiDispatcher dispatcher;

    private Button eButton;
    private Button aButton;
    private Button dButton;
    private Button gButton;
    private Button bButton;
    private Button eeButton;
    private TextView pitchLabel;
    private PitchView pitchView;

    private PdService pdService = null;

    private final ServiceConnection pdConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            pdService = ((PdService.PdBinder)service).getService();
            try {
                initPd();
                loadPatch();
            } catch (IOException e) {
                Log.e(TAG, e.toString());
                finish();
            }
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            // this method will never be called
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initGui();
        initSystemServices();
        bindService(new Intent(this, PdService.class), pdConnection, BIND_AUTO_CREATE);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        unbindService(pdConnection);
    }

    private void initGui() {
        setContentView(R.layout.activity_main);
        eButton = (Button) findViewById(R.id.e_button);
        eButton.setOnClickListener(this);
        aButton = (Button) findViewById(R.id.a_button);
        aButton.setOnClickListener(this);
        dButton = (Button) findViewById(R.id.d_button);
        dButton.setOnClickListener(this);
        gButton = (Button) findViewById(R.id.g_button);
        gButton.setOnClickListener(this);
        bButton = (Button) findViewById(R.id.b_button);
        bButton.setOnClickListener(this);
        eeButton = (Button) findViewById(R.id.ee_button);
        eeButton.setOnClickListener(this);
        pitchLabel = (TextView) findViewById(R.id.pitch_label);
        pitchView = (PitchView) findViewById(R.id.pitch_view);
        pitchView.setCenterPitch(45);
        pitchLabel.setText("A-String");
    }

    private void  initPd() throws IOException {
        // Configure the audio glue
        AudioParameters.init(this);
        int sampleRate = AudioParameters.suggestSampleRate();
        pdService.initAudio(sampleRate, 1, 2, 10.0f);
        start();

        // Create and install the dispatcher
        dispatcher = new PdUiDispatcher();
        PdBase.setReceiver(dispatcher);
        dispatcher.addListener("pitch", new PdListener.Adapter() {
            @Override
            public void receiveFloat(String source, final float x) {
                pitchView.setCurrentPitch(x);
            }
        });
    }

    private void start() {
        if (!pdService.isRunning()) {
            Intent intent = new Intent(GuitarTunerActivity.this,
                    GuitarTunerActivity.class);
            pdService.startAudio(intent, R.drawable.icon,
                    "GuitarTuner", "Return to GuitarTuner.");
        }
    }

    private void loadPatch() throws IOException {
        File dir = getFilesDir();
        IoUtils.extractZipResource(
                getResources().openRawResource(R.raw.tuner), dir, true);
        File patchFile = new File(dir, "tuner.pd");
        PdBase.openPatch(patchFile.getAbsolutePath());
    }

    private void initSystemServices() {
        TelephonyManager telephonyManager =
                (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
        telephonyManager.listen(new PhoneStateListener() {
            @Override
            public void onCallStateChanged(int state, String incomingNumber) {
                if (pdService == null) return;
                if (state == TelephonyManager.CALL_STATE_IDLE) {
                    start(); } else {
                    pdService.stopAudio(); }
            }
        }, PhoneStateListener.LISTEN_CALL_STATE);
    }

    private void triggerNote(int n) {
        PdBase.sendFloat("midinote", n);
        PdBase.sendBang("trigger");
        pitchView.setCenterPitch(n);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.e_button:
                triggerNote(40); // E (low) is MIDI note 40.
                pitchLabel.setText("E-String");
                break;
            case R.id.a_button:
                triggerNote(45); // A is MIDI note 45.
                pitchLabel.setText("A-String");
                break;
            case R.id.d_button:
                triggerNote(50); // D is MIDI note 50.
                pitchLabel.setText("D-String");
                break;
            case R.id.g_button:
                triggerNote(55); // G is MIDI note 55.
                pitchLabel.setText("G-String");
                break;
            case R.id.b_button:
                triggerNote(59); // B is MIDI note 59.
                pitchLabel.setText("B-String");
                break;
            case R.id.ee_button:
                triggerNote(64); // E (high) is MIDI note 64.
                pitchLabel.setText("E-String");
                break;
        }
    }
}

PitchView

package com.example.GuitarTuner;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;

public class PitchView extends View {

    private float centerPitch, currentPitch;
    private int width, height;
    private final Paint paint = new Paint();

    public PitchView(Context context) {
        super(context);
    }

    public PitchView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public PitchView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    public void setCenterPitch(float centerPitch) {
        this.centerPitch = centerPitch;
        invalidate();
    }

    public void setCurrentPitch(float currentPitch) {
        this.currentPitch = currentPitch;
        invalidate();
    }

    @Override
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
        super.onSizeChanged(w, h, oldw, oldh);
        width = w;
        height = h;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        float halfWidth = width / 2;
        paint.setStrokeWidth(6.0f);
        paint.setColor(Color.GREEN);
        canvas.drawLine(halfWidth, 0, halfWidth, height, paint);

        float dx = (currentPitch - centerPitch) / 2;
        if (-1 < dx && dx < 1) {
            paint.setStrokeWidth(2.0f);
            paint.setColor(Color.BLUE);
        } else {
            paint.setStrokeWidth(8.0f);
            paint.setColor(Color.RED);
            dx = (dx < 0) ? -1 : 1;
        }
        double phi = dx * Math.PI / 4;
        canvas.drawLine(halfWidth, height,
                halfWidth + (float)Math.sin(phi) * height * 0.9f,
                height - (float)Math.cos(phi) * height * 0.9f, paint);
    }
}

activity_main

<?xml version="1.0" encoding="utf-8"?>

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:shrinkColumns="*"
    android:stretchColumns="*" >

    <TableRow android:layout_width="fill_parent" >

        <TextView
            android:id="@+id/titleView"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_span="3"
            android:padding="20px"
            android:text="GuitarTuner"
            android:textAppearance="?android:attr/textAppearanceLarge" >
        </TextView>
    </TableRow>

    <TableRow android:layout_width="fill_parent" >

        <Button
            android:id="@+id/e_button"
            android:text="E\n(6th String)" >
        </Button>

        <Button
            android:id="@+id/a_button"
            android:text="A\n(5th String)" >
        </Button>

        <Button
            android:id="@+id/d_button"
            android:text="D\n(4th String)" >
        </Button>
    </TableRow>

    <TableRow android:layout_width="fill_parent" >

        <Button
            android:id="@+id/g_button"
            android:text="G\n(3rd String)" >
        </Button>

        <Button
            android:id="@+id/b_button"
            android:text="B\n(2nd String)" >
        </Button>

        <Button
            android:id="@+id/ee_button"
            android:text="E\n(1st String)" >
        </Button>
    </TableRow>

    <TableRow android:layout_width="fill_parent" >

        <TextView
            android:id="@+id/pitch_label"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_span="3"
            android:gravity="center"
            android:padding="20px"
            android:text="0.0" >
        </TextView>
    </TableRow>

    <TableRow android:layout_width="fill_parent" >

        <com.example.GuitarTuner.PitchView
            android:id="@+id/pitch_view"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_span="3" >
        </com.example.GuitarTuner.PitchView>

    </TableRow>



</TableLayout>

tuner.pd

#N canvas 584 146 450 300 10;
#X obj 354 125 adc~;
#X floatatom 354 169 5 0 0 1 s:pitch - pitch;
#X obj 49 25 bng 15 250 50 0 empty trigger r:trigger 17 7 0 10 -262144
-1 -1;
#X msg 49 45 1 10 \, 0 1000 10;
#X obj 49 67 vline~;
#X obj 49 89 *~;
#X obj 49 111 dac~;
#X floatatom 192 22 5 0 0 1 r:midinote midinote -;
#X obj 192 41 mtof;
#X obj 192 63 osc~ 220;
#X obj 354 147 fiddle~ 2048;
#X connect 0 0 10 0;
#X connect 2 0 3 0;
#X connect 3 0 4 0;
#X connect 4 0 5 0;
#X connect 5 0 6 0;
#X connect 5 0 6 1;
#X connect 7 0 8 0;
#X connect 8 0 9 0;
#X connect 9 0 5 1;
#X connect 10 0 1 0;